I did watch the video and I commented previously, to which I did not recieve a reply, that the KM4A1-TAC has a different type of handguard that is not shown in this video, and furthermore, that the KM4A1-TAC RIS/Handguard does not have enough room in it for most batteries. It is my humble belief that this is a bad design - I would be be very happy if you could prove me wrong.

I did watch the video and I commented previously, to which I did not recieve a reply, that the KM4A1-TAC has a different type of handguard that is not shown in this video, and furthermore, that the KM4A1-TAC RIS/Handguard does not have enough room in it for most batteries. It is my humble belief that this is a bad design - I would be be very happy if you could prove me wrong.

Sorry, I guess what through me off was that your last post neglected to indicate M4A1 TAC.

also what is your opinion do you think that getting a 7.4v lipo is worth it as in is it smaller than a similar mah nimh and does it increase over an 8.4v performance(rof or trigger response) in any way

Most 9.6 volt nunchuck batteries will not fit in the hand guard type such as the KM4A1. If there is one that fits, I like to see it.

Hey Mike I did manage to figure out how to get an Intellect 9.6 volt nunchuck battary into my M4S Tac I will see if I can send you some pics if you are still having trouble. I to get frustrated as you have to be so careful not to pinch wires. I also have a G&G MP5 G5 Max and as its a max they recommend and it comes with a 9.6 nunchuck now thats a b1tch to install : (

Apologies if this was already covered, but I could not find much info on LiFePo batteries (with much searching) in relationship to what will work with the KWA KM4 RIS.

I am looking at the Tenergy 9.6V 1200mAh 15C LiFePO4 Nunchuck Battery Pack as it should exceed the 9.6 NiMH that I have today without going all the way to 11.1. I really like the stability of LiFe & LiMn over standard LiPo.

So, here are my questions...

1. KWA states support for LiMn but not LiFePo. Is this just because it is a new technology to airsoft?
2. Will this battery fit my RIS crane stock?
Listed Dimensions: Large cell: 103mm(L) x 33mm(W) x 13mm(H), Small cell: 103mm(L) x 33mm(W) x 6.5mm(H). I think this is just a bit too big, but I am not sure.
3. Any experience with Tenergy as a manufacturer?

I am looking at the Tenergy 9.6V 1200mAh 15C LiFePO4 Nunchuck Battery Pack as it should exceed the 9.6 NiMH that I have today without going all the way to 11.1. I really like the stability of LiFe & LiMn over standard LiPo.

Afraid the answer is no

I am still curious if there are any concerns with LiFePO4 as long I stay at or below the 11.1V 1600mah 18A limits for LiPoly.

I am tempted to build my own at this point using three 18650 cells in series or four of the 123 cells (two groups of three in parallel).

For some reason this seems easier than customizing my rifle to move the battery somewhere else (I like the weight in the stock versus on the barrel).